---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/39955104.md"
description: "I'm investing in Lumentum, old mantou, I've been following it all along, it's too strong, it doesn't fall when it should, and it goes crazy when it rises."
datetime: "2026-04-16T04:15:03.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39955104.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39955104.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39955104.md)
author: "[投资上学MEM](https://longbridge.com/en/profiles/19486934.md)"
---

# I'm investing in Lumentum, old mantou, I've been f…


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